Class / Patent application number | Description | Number of patent applications / Date published |
156111000 | Moving work progressively to separate assembly stations | 34 |
20090032175 | Tire Building Method And Rotational Transfer Device For Drum Transfer Support Base In Tire Building Process - The invention can perform building in a process for building a carcass band or a belt/tread band of a tire, in which two drum transfer support bases ( | 02-05-2009 |
20090095406 | Method and Apparatus for Manufacturing Tyres for Vehicle Wheels - In a method of manufacturing tyres for vehicle wheels, a green tyre, once formed, is transferred into a vulcanisation mould and pressed against the holding walls of a moulding cavity. Concurrently with the pressing step, a fluid present between the green tyre and the holdling walls is evacuated through vent valves. The tyre is brought into contact with the closing head of each valve so as to push it toward a closed position at which the closing head forms a contact seat spaced apart from the inner surface of the moulding cavity in order to define an embedding recess between the inner surface of the moulding cavity and the closing head. | 04-16-2009 |
20090133808 | Tire Building Method and Building Facility - A tire building method and a tire building facility according to the invention attains reduction of an installation space of the tire building facility and substantially equal building cycles for respective building stages to increase building efficiency and facilitate arrangement switching. For attaining these, a step for building a cylindrical carcass band, a subsequent step for building a cylindrical green case, a step for building a cylindrical belt and tread band, a step for combining the green case and the belt and tread band to build the final shape are divided as first through fourth building stages (S | 05-28-2009 |
20090159183 | TIRE BUILDING CORE MANIPULATOR APPARATUS AND METHOD - A tire building core manipulating apparatus for a segmented tire building core is provided, the core including a plurality of core segments extending generally radially from a central axis. The manipulating apparatus includes a support frame; a core latching mechanism mounted to the support frame for operatively engaging a mating mechanism on the core whereby suspending the tire building core in a preferred axial orientation and raises and lowers the core to engage one or more stations in a tire curing line. A transport mechanism relocates the support frame with the tire building core in the preferred axial orientation between a plurality of stations in the tire curing line | 06-25-2009 |
20090159184 | TIRE BUILDING CORE ASSEMBLY AND DISASSEMBLY STATION AND METHOD - A station apparatus method within a tire curing line is provided for assembling and disassembling a toroidally shaped core configured to carry a cured tire. The core includes a plurality of core segments assembling to form a core body and extending generally radially from a central core axis within a core central axial passage. The core further includes first and second locking spindle sections connecting to opposite sides of the core body. The station apparatus includes: a base; a station locking mechanism mounted to the base and operative to lock to the lower core locking mechanism; a transport device operative to lock to the first spindle section and to lower the core in substantially a vertical core axis orientation into locked engagement with the station locking mechanism; a core segment manipulating mechanism operative to move respective core segments radially inward between a radially outward position to a radially inward segment removal position; and a tire unloading mechanism operative to support a cured tire during radial movement of the core segments inward. | 06-25-2009 |
20090159185 | TIRE BUILDING CORE SEGMENT MANIPULATOR APPARATUS AND METHOD - A core segment manipulating apparatus and method is provided for relocating core segments forming a toroidally shaped core body configured to carry a cured tire. The apparatus includes multiple core key segment engaging mechanisms and core second segment engagement mechanisms arranged in a spaced apart circular array adjacent to respective key segments and second segments of the core body. The key segment and second segment engaging mechanisms operate to individually move respective key segments and second segments from a radially outward core body position to a radially inward segment removal position. The key segment and second segment engaging mechanisms transfer a respective segment to a segment removal device at the segment removal position and return radially outward to a segment-receiving location. | 06-25-2009 |
20090188606 | METHOD AND APPARATUS OF ADHERING AND BUILDING BELT MEMBER - The present invention can transfer a belt member on a supply conveyor onto a building drum from an inclined distal end portion while holding on both side edge portions in the width direction thereof and can efficiently adhere the belt member according to the rotation of the building drum. As a means for such building, using a supply conveyor ( | 07-30-2009 |
20090218036 | DEVICE AND METHOD FOR FORMING TIRES - Provided is a device for forming a special giant all-steel radial OTR tire in a continuous process, the device comprising a first base guide rail, a second base guide rail, a headstock, a main building drum, a belt housing, a belt drum and an overhead rail. The first base guide rail and the second base guide rail are parallel to each other. The overhead rail comprising a first traveling unit and a second traveling unit are disposed above the first base guide rail and the second base guide rail. A method for forming a special giant all-steel radial OTR tire in a continuous process is also provided. | 09-03-2009 |
20090266473 | METHOD FOR MANUFACTURING A GREEN TYRE USING A BUILDING DRUM AND A TRANSFER DEVICE - Method for manufacturing a green tyre using a building drum and a transfer device. In the method tyre components are arranged on a building drum. In one step of the method the transfer device is placed around the building drum. The method further comprises a step during which a last manufacturing process for a green tyre is carried out on the building drum, and a removal step during which a removal device removes the green tyre from the building drum, wherein the removal device is provided with projecting elements that can be placed up to a distance from and around the outer circumference of the green tyre and which projecting elements can be placed such so as to engage the outer side of the green tyre. The removal step further comprises during the step in which the transfer device is placed around the building drum, placing the projecting elements up to a distance from and around the outer circumference of the building drum. | 10-29-2009 |
20100018632 | PROCESS FOR THE PRODUCTION OF TYRES FOR VEHICLE WHEELS - A process for the production of tyres for vehicle wheels includes the steps of: a) building the tyres on respective toroidal supports assembling a plurality of structural components of each of them according to a predetermined sequence at respective workstations; b) transferring the tyres built on the toroidal supports to a vulcanisation plant; c) molding and partially vulcanising the tyres on the toroidal supports in respective vulcanisation molds associated with the vulcanisation plant; d) removing the partially vulcanised tyres with the respective toroidal supports from the respective vulcanisation molds; and completing the vulcanisation of the tyres outside the vulcanisation molds by means of the heat given to the tyres by the toroidal supports. | 01-28-2010 |
20100032079 | PROCESS AND APPARATUS FOR MANUFACTURING TYRES - A green tyre is either directly formed or, when building is over, engaged on an expandable toroidal support to be then introduced into a vulcanisation mould. The expandable toroidal support includes an expandable bladder and a pair of pressure rings, each including fast and second pressure sectors circumferentially distributed and operating at axially opposite positions on the expandable bladder. Driving devices act on the pressure rings to selectively translate them between a work condition at which the pressure sectors of each pressure ring, circumferentially aligned with each other, extend radially away from the geometric axis, and a rest condition at which the pressure sectors are disposed close to the geometric axis. Kinematic synchronisation members operatively associated with the driving devices mechanically mutually constrain the pressure rings, so as to impose a simultaneous and mutually symmetric movement on them. | 02-11-2010 |
20100038016 | PROCESS AND APPARATUS FOR PRODUCING PNEUMATIC TYRES - Along a building line, a green tyre is built on a rigid toroidal support having an outer surface substantially conforming in shape to an inner surface of the green tyre. The green tyre is then transferred to a bead moulding and prevulcanisation station where each bead of the tyre is moulded by tightening it between a surface portion of the toroidal support and an annular clamping surface carried by a removable tightening flange. The tightened beads are prevulcanised through a heat supply by means of electric resistors integrated into the tightening flanges. The tyre with the prevulcanised and tightened beads is transferred into a moulding cavity having an inner wall of a shape substantially conforming to that of the outer surface of the moulded tyre, to carry out moulding of the tyre and complete vulcanisation of same. | 02-18-2010 |
20100084076 | Process and plant for producing tyres for vehicle wheels - A plant and a process for producing tyres for vehicle wheels. The process includes the steps of: a) building green tyres on respective toroidal supports in at least one building line of a tyre production plant; b) transferring a first green tyre and the relevant toroidal support to a moulding and vulcanization unit of at least a first vulcunization line of a vulcanization station of the production plant, the first vulcanization line being provided with a first device for transferring the toroidal support; c) transferring a second green tyre and the relevant toroidal support to a moulding and vulcanization unit of at least a second vulcanization line of the vulcanization station of the production plant, the second vulcanization line being different from the first vulcanization line and being provided with a second transfer device different from the first transfer device; d) moulding and vulcanizing the first green tyre in the moulding and vulcanization unit of the first vulcanization line for a first time interval and the second green tyre in the moulding and vulcanization unit of the second vulcanization line for a second time intercal different from the first time interval, wherein at least one between steps b) and c), is preceded by a step j) of transporting at least one of the green tyres and the relevant toroidal support into a holding unit operatively interposed between the first vulcanization line and the second vulcanization line. | 04-08-2010 |
20100089519 | ASSEMBLY FOR AND METHOD OF MAKING A TYRE COMPONENT | 04-15-2010 |
20100163158 | PROCESS AND APPARATUS FOR MANUFACTURING PNEUMATIC TYRES - In a process of manufacturing pneumatic tyres, a carcass sleeve is made which includes at least one carcass ply provided with axially opposite flaps turned up around annular anchoring structures, so as to form respective loops. An outer sleeve is positioned around the carcass sleeve and the latter is radially expanded in order to cause application of same against a radially internal surface of the outer sleeve. After each of the end flaps has been turned up and before radial expansion, only a portion belonging to each of the loops and extending substantially parallel to the respective annular anchoring structure is submitted to a step of carrying out heating under pressure, to make each loop integral with the annular anchoring structure and prevent the turned-up ply/plies from even partly slipping off, during the subsequent radial-expansion step of the carcass sleeve and vulcanisation step of the tyre. | 07-01-2010 |
20100243129 | PROCESS AND PLANT FOR PRODUCING TYRES FOR VEHICLE WHEELS - A plant and a process for producing tyres wherein the process includes the steps of: a) building a green tyre on a toroidal support in a building line of a tyre production plant; b) transferring the green tyre and the relevant toroidal support from the building line of the production plant to a first holding unit; c) transferring the green tyre and the relevant toroidal support from the first holding unit to a vulcanization line of the production plant; d) moulding and vulcanization the green tyre in the vulcanization line of the production plant; e) separating the moulded and vulcanized tyre from the relevant toroidal support; f) transferring the toroidal support, separated from the relevant tyre, from the vulcanization line to the first holding unit; and g) transferring the toroidal support, separated from the relevant tyre, from the first holding unit to the building line of the production plant, wherein steps b) and g) are carried out through a first transfer device and steps c) and f) are carried out through a second transfer device different from the first transfer device. | 09-30-2010 |
20100276067 | PROCESS AND PLANT FOR BUILDING TYRES FOR VEHICLE WHEELS - A process for building tyres for vehicle wheels includes the steps of: i) building a carcass structure of a green tyre in at least one carcass structure building line, the carcass structure including at least one carcass ply and a pair of annular anchoring structures; ii) building a crown structure of a green tyre in at least one crown structure building line, the crown structure including a belt structure and a tread band; wherein step ii) of building the crown structure includes at least one step iii) of building the belt structure which in turn includes the steps of: a) building on at least one first building drum, an annular assembly including a first radially inner belt layer and at least a second belt layer radially external to the first belt layer; b) transferring the annular assembly on at least one auxiliary drum; c) turning up axially opposite end portions of the fast radially inner belt layer so as to obtain at least a partial overlapping of the end portions of the first belt layer on the at least one second radially outer belt layer; and d) transferring said annular assembly from the at least one auxiliary drum on at least one second building drum. | 11-04-2010 |
20100300603 | PROCESS AND APPARATUS FOR MANUFACTURING TYRES FOR VEHICLE WHEELS - A carcass ply is built on a forming drum by application of a plurality of strip-like elements by the steps of: setting a width of these strip-like elements, setting a width of the overlapped part between two adjacent strip-like elements, setting a fitting diameter of the forming drum by calculating a corresponding extension of a radially external laying surface, and calculating a whole number of strip-like elements to be applied. The whole number of strip-like elements is applied by rotating the forming drum around a geometric rotation axis thereof, and applying pairs of strip-like elements by means of a first laying unit and a second laying unit located close to opposite portions of the forming drum relative to the geometric rotation axis. When the calculated whole number of strip-like elements is an odd number, before at least one application step, the first laying unit is shifted along an adjustment path orthogonal to the geometric rotation axis and substantially tangent to the radially external laying surface of the forming drum. | 12-02-2010 |
20100307662 | PROCESS AND PLANT FOR PRODUCING TYRES FOR VEHICLE WHEELS - A plant and a process for producing tyres for vehicle wheels, includes the steps of: a) building a carcass structure of a green tyre on a first forming drum in at least one carcass structure building line, the carcass structure including at least one carcass ply and a pair of annular anchoring structures; b) building a crown structure of a green tyre on at least one second forming drum in at least one crown structure building line, the crown structure including at least one belt structure and a tread band; c) toroidally shaping the carcass structure assembling it to the crown structure in at least one assembling and shaping work station for the tyre being processed, the assembling and shaping work station being synchronised with the carcass structure building line and with the crown structure building line; wherein each carcass structure is associated with the respective first forming drum whereon it is built up to the end of step c) of shaping and assembling the tyre being processed; and d) moulding and vulcanizing the green shaped tyre in at least one tyre moulding and vulcanizing line separate from said assembling and shaping work station. | 12-09-2010 |
20110126963 | Method and Apparatus for Manufacturing Pneumatic Tyres - On a building drum, anchoring structures to beads, carcass plies, a belt structure and/or other annular composite components are sequentially assembled with a liner, sidewalls, sidewall inserts, under-belt inserts or other annular elastomer components. Each of the sidewall inserts, sidewalls, or under-belt inserts is made as a one piece construction in a service station operating far away from the building drum for storage on a movable storing device. Actuating members operating on the movable storing device carry the annular elastomer components from the service station to the building drum. A transfer member picks up the annular elastomer components from the movable storing device to transfer them to the building drum. | 06-02-2011 |
20110168322 | PROCESS AND PLANT FOR BUILDING TYRES FOR VEHICLE WHEELS - A plant for building tyres of at least two different models for vehicle wheels, includes at least a tyre building line, which in turn, includes: a plurality of work stations arranged according to a sequential series, each work station being adapted for building at least one structural component of each tyre and assembling at least one elementary component; at least one handling device for the tyres being processed on the respective forming supports associated to each work station; and at least one transfer device adapted for transferring the tyre being processed on its forming support from any first work station of the sequential series to any other second work station not adjacent thereto of the sequential series, so that the tyre being processed on its forming support only passes in the first and second work stations. | 07-14-2011 |
20110232830 | METHOD AND APPARATUS FOR FORMING A TIRE COMPONENT UPON AN AXIALLY TAPERED SURFACE - The present invention includes methods and apparatus ( | 09-29-2011 |
20110290403 | PROCESS AND PLANT FOR BUILDING GREEN TYRES FOR VEHICLE WHEELS - A plant and a process for building green tyres for vehicle wheels. The process includes: a) building a carcass structure on a first forming drum in at least one carcass structure building line including a plurality of work stations arranged according to a sequential series, the carcass structure including at least one carcass ply and a pair of annular anchoring structures; b) building a crown structure on at least one second forming drum in at least one crown structure building line including a plurality of work stations arranged according to a sequential series, the crown structure including at least one belt structure; c) toroidally shaping the carcass structure assembling it to the crown structure in at least one shaping and assembling work station, wherein the transfers of each of the first forming drum and the second forming drum, with the respective carcass structure and crown structure being processed, from one work station to the other of the respective building lines includes at least one transfer from a first work station to a second work station not adjacent to the first one in the sequential series, and wherein each step d) of transfer takes place in such a way that the first forming drum and the second forming drum only pass in the first and second work station. | 12-01-2011 |
20120255666 | PROCESS AND PLANT FOR BUILDING GREEN TYRES FOR VEHICLE WHEELS - A plant and a process for building different types of green tyres for vehicle wheels for each tyre size, through the use of elementary semi-finished products, includes: a) building a carcass structure of a green tyre, the carcass structure including at least one carcass ply and a pair of annular anchoring structures; and b) building a crown structure of a green tyre, the crown structure including at least one belt structure and a tread band; wherein at least one between the building of the carcass structure and the building of the crown structure includes: c) providing at least one first feeding unit of a first elementary semi-finished product and one second feeding unit of a second elementary semi-finished product, the at least one first and one second elementary semi-finished products being different from one another; and d) building at least one portion of a structural component of the tyre being processed, starting from at least one of the first and second elementary semi-finished products, in one work station fed by the first and second feeding units of the first and second elementary semi-finished products. | 10-11-2012 |
20130213558 | METHOD OF CONTROLLING THE MANAGEMENT OF ANNULAR ANCHORING STRUCTURES IN A PROCESS AND A PLANT FOR BUILDING TYRES FOR VEHICLE WHEELS - A method of controlling the management of annular anchoring structures in a process and a plant for building tyres for vehicle wheels, includes: a) feeding pairs of first annular anchoring structures from a first storage region to a bead-forming machine; b) loading a plurality of second annular anchoring structures into a second storage region; c) carrying the second annular anchoring structures from the second storage region to the first storage region; and d) feeding pairs of second annular anchoring structures from the first storage region to the bead-forming machine. The method includes the sequential cyclic repetition of the above actions. | 08-22-2013 |
20140069572 | METHOD FOR MAKING A VEHICLE TIRE - A method for making a vehicle tire includes winding a carcass ply onto a carcass drum, wherein the carcass drum includes a device for setting tire cores and a mechanism for folding the carcass ply over a tire core; finishing the tire carcass; removing the tire carcass from the carcass drum; moving the tire carcass over a cambering drum; carrying out a core clamping with segments of the cambering drum with the tire sidewalls clamped with the tire carcass in the region of the tire bead at the cambering drum via core clamping; moving the carcass transfer unit away from the cambering unit; cambering the tire carcass with the tire sidewalls which are on both sides, wherein the tire sidewalls are turned up laterally on the tire carcass by a turning-up device and the tire carcass is combined with the coaxially arranged belt-tread packet; and, finishing the green tire. | 03-13-2014 |
20140166189 | METHOD AND APPARATUS FOR BUILDING A TIRE - A tire building system includes a first loop of travel track, a plurality of first carriage housings movably mounted on the first loop, a second loop of travel track, a plurality of second carriage housings movably mounted on the second loop, and a first transfer station of the first loop and a second transfer station of the second loop for interrelating the first loop and the second loop. | 06-19-2014 |
20140374007 | METHOD, PROCESS AND PLANT FOR CONTROLLING THE MANUFACTURE OF TYRES FOR VEHICLE WHEELS - In building tyres, an intermediate portion of a carcass structure is built at a time on a respective forming drum within an intermediate forming line. The forming drum with the intermediate portion of the carcass structure is made available at a first transfer location. The intermediate portion of the carcass structure is completed through n completion locations with n≧1 and then transferred for the subsequent assembling with a crown structure to a second transfer location. At an operating moment in which the first transfer location is occupied by a forming drum coming from the intermediate forming line or intended for the intermediate forming line, from one to n locations selected from the n completion locations and the second transfer location are occupied by respective forming drums. | 12-25-2014 |
20150020953 | PROCESS AND PLANT FOR BUILDING TYRES FOR VEHICLE WHEELS - Method, process and plant for building tires for vehicle wheels wherein: in a service position of a carcass structure building line, a forming drum is associated with a pair of support elements including a first support element and a second support element; the forming drum is moved, associated with the pair of support elements, in a deposition line in the carcass structure building line; and the forming drum is transferred from the deposition line to a subsequent work station of the carcass structure building line. The transfer from the deposition line to the subsequent work station includes dissociating the forming drum from the second support element, keeping the forming drum associated with the first support element; transferring the forming drum, associated with the first support element and dissociated from the second support element, to the subsequent work station; dissociating, in the subsequent work station, the first support element from the forming drum, leaving the forming drum in the subsequent work station; and transferring the first support element, dissociated from the forming drum, into the service position. | 01-22-2015 |
20150027620 | ONCE-THROUGH, TWIN-DRUM FORMING MACHINE FOR MOTOR TIRES AND METHOD THEREFOR - A bead ring and a belt-tread component are prepared in advance, and a forming drum capable of axially moving carries a tire body component to enter a forming pressing workstation. The forming machine comprises a main machine and a servicer, wherein a belt drum laminating workstation at one side of a belt drum, a main servicer laminating workstation at one side of the forming drum, and a forming pressing workstation at one side of a combined roller are arranged along the center line of a main shaft of the main machine; the prepared belt-cap ply-tread component and sidewall-inner liner-carcass ply component are conveyed to the workstations and combined with the bead ring, so as to carry out turn-up forming and pressing operation technologies of a tire blank; the forming pressing workstation is arranged between the belt drum laminating workstation and the forming pressing workstation. | 01-29-2015 |
20150306830 | METHOD AND PLANT FOR BUILDING TYRES FOR VEHICLE WHEELS - Tyres are processed while simultaneously passing along a building line, each tyre to be subjected to a plurality of processes, each in a respective work station. At least one first and one second tyre reach a work area at different times, stay in the work area simultaneously in respective work stations adapted to perform respective homologous processes on the tyres, and leave the work area at different times. The tyres stay respectively in at least one first work station and at least one second work station, both integrated in the work area. The first tyre passes through the work area without staying in the second work station, and the second tyre passes through the work area without staying in the first work station. | 10-29-2015 |
20160031174 | METHOD FOR MAKING A VEHICLE TIRE - The invention is directed to a method for making a vehicle tire having a tire carcass defining an axial center, a first and a second tire bead, a tire belt and a tread. The carcass is completed on a carcass drum wherein the carcass drum is free of sidewalls. The tire carcass is removed from the carcass drum and moved to a transfer position for arranging sidewalls. The sidewalls are arranged on sidewall drums on sides of the carcass. The sidewall drums are moved in axial direction toward the axial center of the tire carcass. The sidewall drums with the sidewalls are expanded and connected to the tire carcass. Thereafter, the sidewall drums are collapsed and moved outward and the tire carcass is released for further transport. The carcass and the attached sidewalls are transferred to a shaping drum where the tire carcass with the sidewalls is shaped. | 02-04-2016 |
20160121568 | CARCASS BAND FORMING DEVICE AND CARCASS BAND FORMING METHOD - A space required for forming a cylindrical carcass band is reduced and productivity of carcass band forming is improved. | 05-05-2016 |
20160375646 | PROCESS FOR BUILDING TYRES FOR VEHICLE WHEELS - A process for building tyres for vehicle wheels are disclosed, wherein said building process comprises the following steps carried out in a carcass structure building line: a) associating a pair of support rings with a forming drum in a work station for associating support rings; b) building at least one structural component of the tyre being processed on the forming drum provided with said pair of support rings in at least one work station of the carcass structure building line; c) removing the pair of support rings from the forming drum in a work station for removing support rings; d) transferring the pair of support rings dissociated from the forming drum in a temporary storage for support rings; e) building at least one further structural component of the tyre being processed on the forming drum without the pair of support rings in a work station of the carcass structure building line. | 12-29-2016 |